//
// Created by Administrator on 2020/7/16.
//

#include <iostream>

int main() {

    char name[10] = "Sun";

    std::cout << name << std::endl;

    name[1] = 'U';

    std::cout << name << std::endl;

    std::cin.getline(name, 10);

    std::cout << name << std::endl;
    return 0;
}